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Finding the Fourth Proportional to 504,356.64, 696,007.62 and 274,913.91

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Solution

The fourth proportional to 504,356.64, 696,007.62 and 274,913.91 is: 379,378.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,356.64 : 696,007.62 = 274,913.91 : x
  2. Step 2: Convert to fraction form
    504,356.64/696,007.62 = 274,913.91/x
  3. Step 3: Cross multiply
    504,356.64x = 696,007.62 × 274,913.91
  4. Step 4: Simplify right side
    504,356.64x = 191,342,178,342.55
  5. Step 5: Solve for x
    x = 191,342,178,342.55/504,356.64
  6. Step 6: Final answer
    x = 379,378.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.